EQ2231 - Stereo Graphic Equalizer
EQ2231 - Stereo Graphic Equalizer


Stereo Graphic Equalizer

EQ2231 is a 3U 30 band, constant Q Stereo Graphic Equalizer with excellent function which is suitable for many kinds of sound adjustment in the audio projects. below is the function character: 


  • EQ filter is bypassed if fader is in centre indent position
  • In the event of power failure a high quality relay switch sends input signal directly to output connectors
  • Power-on delay for soft start
  • Front Panel
  • 2 x 30 constant Q faders ±15dB control range
  • 9 x segment signal output LEDs
  • Gain control
  • High pass filter up to 250Hz
  • Low frequency shelf filter ±6dB of gain at 50Hz
  • High frequency shelf and filter ±6dB gain 14kHz
  • EQ bypass switch
  • Rear Panel
  • 2 x Balanced XLR input connectors
  • 2 x Balanced XLR output connectors
  • 6.5mm inputs and outputs connectors
  • Phoenix inputs and output connectors


Input Impedance
10kΩ Balanced and Unbalanced
Overloaded Electromotive Force
Frequency Response (±1dB)
Harmonic Distortion
<0.008% THD 20-20kHz
S/N Ratio
Max. Output Level
Output Impedance
Dynamic Range
>85dB @ 1kHz
Frequency Control
±15dB on ISO centres Q value for 4
Power Supply
115V/230V VAC 50-60Hz 30VA
Dimensions (W x D x H)
483mm (19”) x 180mm (7.1”) x 134mm (5.3”)
Net Weight (1 piece/pack)
3kg (6.6lb)
Gross Weight (1 piece/pack)
4.5kg (9.9lb)

EQ2231 Application

    EQ2231 Installation

      EQ2231 Parts

        EQ2231 Collocation



            EQ2231β3 EQ2231 Datasheet 1.0EQ2231  200KB 2022-01-24 05:24:28
            β3_EQ2231_Chinese_Manualβ3_EQ2231_Chinese_Manual 1β3_EQ2231_Chinese_Manual  644.69KB 2018-07-12 02:25:39
            β3_EQ2231_English_Manualβ3_EQ2231_English_Manual 1β3_EQ2231_English_Manual  546.35KB 2018-07-12 02:25:39